Get Ahead, Before You're Behind.

1 Mile (mi.)
1.6 Kilometers

1 Pound (lb.)
0.45 Kilograms

1 Foot (ft.)
30.48 Centimeters

32 Degrees Fahrenheit (°F)
0° Celsius


Did you know the 24-hour clock is referred to as Military Time in the U.S. because it’s mostly used by the military and emergency services? The 12-hour clock is used nationwide.

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U.S. Systems and Formats


Movie Rating System


TV Rating System


TV programs are rated by each network’s censors, using the TV Parental Guidelines – modeled after the MPPA guidelines in order to give parents more information about the content and age-appropriateness of TV programs.

Video Game Rating System


Video games are rated by the Entertainment Software Rating Board (ESRB).

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